3Com S7906E Getting Started Manual page 26

Table 1-19 Description of the status LEDs of the 10/100Base-TX management Ethernet port
LED
LINK
ACT
System LEDs
System status LEDs
The LEDs on the card panel indicate the statuses of the power modules, fan tray, two LPUs, and
LSQ1MPUA0 itself.
Power status LEDs
PWR1 and PWR2: The LEDs show the status of the two power modules (AC or DC).
Table 1-20 Description of the power status LEDs
LED
ON: The power module works normally.
OK
OFF: The power module is faulty or out of position.
ON: The power module is faulty, or there is no power input to the power module, or the
power switch is turned off.
FAIL
OFF: The power module is operational or out of position.
Fan status LEDs
FAN: The LEDs show the status of the fan tray.
Table 1-21 Description of the fan status LEDs
LED
OK
FAIL
LPU status LEDs (SLOT2, SLOT3, MPU)
SLOT2 and SLOT3: The LEDs show the status of the LPUs in slot 2 and slot 3.
MPU: The LEDs show the status of the LSQ1MPUA0 itself.
Description
OFF: No link is present.
ON: A link is present.
OFF: No data is being transmitted or received.
Blinking: Data is being transmitted or received.
Description
Description
ON: The fans operate normally.
OFF: The fans are faulty or out of position.
ON: The fans are faulty or out of position.
OFF: The fans operate normally.
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